@font-face { 
    font-family: PingFangSC-Regular;       
    src: url('../font/PingFangRegular.ttf');   
  }
  @font-face { 
    font-family: PingFangSC-Medium;       
    src: url('../font/PingFangMedium.ttf');  
  }
  a {
    text-decoration: none;
    color: #333;
}
  span{
    display: inline-block;
  }
  